diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-thread-9.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-thread-9.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-thread-9.c new file mode 100644 index 000000000..6be42038b --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-thread-9.c @@ -0,0 +1,50 @@ +/* PR 65048 */ +/* { dg-do compile } */ +/* { dg-options "-O3" } */ + +int a, b, c, d; +void fn (void); + +int +foo (x) +{ + switch (x) + { + case 'A': + return 'T'; + case 'U': + return 'A'; + } +} + +void +bar (int x, int y) +{ + switch (c) + { + case 'U': + switch (x) + { + default: + fn (); + case 'G': + switch (y) + { + case 'A': + d = 7; + } + } + } +} + +void +baz (void) +{ + while (1) + { + a = foo (); + b = foo (); + bar (a, b); + } +} + |